Bugfix: missing Crosshairs orientation string (#42207)

## Summary of the Pull Request

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## PR Checklist

- UI string was not showing

Before:
<img width="933" height="146" alt="image"
src="https://github.com/user-attachments/assets/a6136040-0388-4349-b94c-99e6e77bb3e5"
/>

After:
<img width="943" height="150" alt="image"
src="https://github.com/user-attachments/assets/b1c9adc3-c29d-41f9-bebb-b7171fb81af6"
/>


- [ ] Closes: #xxx
- [ ] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
- [ ] **Tests:** Added/updated and all pass
- [ ] **Localization:** All end-user-facing strings can be localized
- [ ] **Dev docs:** Added/updated
- [ ] **New binaries:** Added on the required places
- [ ] [JSON for
signing](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ESRPSigning_core.json)
for new binaries
- [ ] [WXS for
installer](https://github.com/microsoft/PowerToys/blob/main/installer/PowerToysSetup/Product.wxs)
for new binaries and localization folder
- [ ] [YML for CI
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ci/templates/build-powertoys-steps.yml)
for new test projects
- [ ] [YML for signed
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/release.yml)
- [ ] **Documentation updated:** If checked, please file a pull request
on [our docs
repo](https://github.com/MicrosoftDocs/windows-uwp/tree/docs/hub/powertoys)
and link it here: #xxx

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or any additional comments/features here -->
## Detailed Description of the Pull Request / Additional comments

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## Validation Steps Performed

src/settings-ui/Settings.UI/Strings/en-us/Resources.resw

@@ -2893,7 +2893,7 @@ Right-click to remove the key combination, thereby deactivating the shortcut.</v
     <value>Crosshairs fixed length (px)</value>
     <comment>px = pixels</comment>
   </data>
-	<data name="MouseUtils_MousePointerCrosshairs_CrosshairsOrientation" xml:space="preserve">
+	<data name="MouseUtils_MousePointerCrosshairs_CrosshairsOrientation.Header" xml:space="preserve">
     <value>Crosshairs orientation</value>
   </data>
   <data name="MouseUtils_MousePointerCrosshairs_CrosshairsOrientation_Both.Content" xml:space="preserve">